diff options
| -rw-r--r-- | _distutils_hack/__init__.py | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/_distutils_hack/__init__.py b/_distutils_hack/__init__.py index 22bc9ed6..a5c8e1cf 100644 --- a/_distutils_hack/__init__.py +++ b/_distutils_hack/__init__.py @@ -58,7 +58,9 @@ def ensure_local_distutils(): # check that submodules load as expected core = importlib.import_module('distutils.core') - assert '_distutils' in core.__file__, core.__file__ + # FIXME: this assertion blows up if the MetaFinder below has no-opped on a + # setuptools from another path + # assert '_distutils' in core.__file__, core.__file__ def do_override(): @@ -85,6 +87,15 @@ class DistutilsMetaFinder: def spec_for_distutils(self): import importlib.abc import importlib.util + from pathlib import Path + + st_mod = importlib.import_module('setuptools') + + # prevent this import redirection shim from interacting with a possibly + # incompatible setuptools in another location on sys.path + # see pypa/setuptools#2957 + if not Path(__file__).parents[1].samefile(Path(st_mod.__file__).parents[1]): + return None class DistutilsLoader(importlib.abc.Loader): |